Function report |
Source Code:kernel\time\tick-common.c |
Create Date:2022-07-28 10:50:25 |
Last Modify:2020-03-12 14:18:49 | Copyright©Brick |
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Annotation kernel can get tool activity | Download SCCT | Chinese |
Name:Setup the tick device
Proto:static void tick_setup_device(struct tick_device *td, struct clock_event_device *newdev, int cpu, const struct cpumask *cpumask)
Type:void
Parameter:
Type | Parameter | Name |
---|---|---|
struct tick_device * | td | |
struct clock_event_device * | newdev | |
int | cpu | |
const struct cpumask * | cpumask |
205 | void( * handler)(struct clock_event_device * ) = NULL |
206 | next_event = 0 |
211 | If Not evtdev Then |
217 | ick_do_timer_cpu is a timer core internal variable which holds the CPU NR* which is responsible for calling do_timer(), i = cpu |
220 | tick_period = NSEC_PER_SEC / HZ |
242 | mode = TICKDEV_MODE_PERIODIC |
243 | Else |
244 | handler = event_handler |
245 | next_event = next_event |
255 | If Not pumask_equal - *src1p == *src2p*@src1p: the first input*@src2p: the second input Then irq_set_affinity(irq, cpumask) |
265 | If Check, if the device is disfunctional and a place holder, which* needs to be handled by the broadcast device. Then Return |
268 | If mode == TICKDEV_MODE_PERIODIC Then Setup the device for a periodic tick |
Name | Describe |
---|---|
tick_install_replacement | |
tick_check_new_device | Check, if the new registered device should be used. Called with* clockevents_lock held and interrupts disabled. |
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